package com.api.test.app;

import com.api.test.R;

import android.app.Activity;
import android.app.ListActivity;
import android.content.Context;
import android.database.CharArrayBuffer;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract.Contacts;
import android.view.View;
import android.view.ViewGroup;
import android.widget.QuickContactBadge;
import android.widget.ResourceCursorAdapter;
import android.widget.TextView;

public class QuickContactsDemo extends ListActivity {
	static final String[] CONTACTS_SUMMARY_PROJECTION = new String[]{
		Contacts._ID,
		Contacts.DISPLAY_NAME,
		Contacts.STARRED,
		Contacts.TIMES_CONTACTED,
		Contacts.CONTACT_PRESENCE,
		Contacts.PHOTO_ID,
		Contacts.LOOKUP_KEY,
		Contacts.HAS_PHONE_NUMBER,
	};
	
	static final int SUMMARY_ID_COLUMN_INDEX = 0;
	static final int SUMMARY_NAME_COLUMN_INDEX = 1;
	static final int SUMMARY_STARRED_COLUMN_INDEX = 2;
	static final int SUMMARY_TIMES_CONTACTED_COLUMN_INDEX = 3;
	static final int SUMMARY_PRESENCE_STATUS_COLUMN_INDEX = 4;
	static final int SUMMARY_PHOTO_ID_COLUMN_INDEX = 5;
	static final int SUMMARY_LOOKUP_KEY = 6;
	static final int SUMMARY_HAS_PHONE_COLUMN_INDEX = 7;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		String select = "((" + Contacts.DISPLAY_NAME + " NOTNULL) AND ( "
				+ Contacts.HAS_PHONE_NUMBER + " =1) AND ( "
				+ Contacts.DISPLAY_NAME + " != '' ))";
		Cursor c = getContentResolver().query(Contacts.CONTENT_URI, CONTACTS_SUMMARY_PROJECTION, select,
				null, Contacts.DISPLAY_NAME + " COLLATE LOCALIZED ASC");
		startManagingCursor(c);
		ContactListItemAdapter adapter = new ContactListItemAdapter(this, R.layout.quick_contacts, c);
		setListAdapter(adapter);
	}
	
	private final class ContactListItemAdapter extends ResourceCursorAdapter{

		public ContactListItemAdapter(Context context, int layout, Cursor c) {
			super(context, layout, c);
		}

		@Override
		public void bindView(View view, Context context, Cursor cursor) {
			final ContactListItemCache cache = (ContactListItemCache)view.getTag();
			TextView nameView = cache.nameView;
			QuickContactBadge photoView = cache.photoView;
			cursor.copyStringToBuffer(SUMMARY_NAME_COLUMN_INDEX, cache.nameBuffer);
			int size = cache.nameBuffer.sizeCopied;
			cache.nameView.setText(cache.nameBuffer.data, 0, size);
			final long contactId = cursor.getLong(SUMMARY_ID_COLUMN_INDEX);
			final String lookupKey = cursor.getString(SUMMARY_LOOKUP_KEY);
			cache.photoView.assignContactUri(Contacts.getLookupUri(contactId, lookupKey));
		}
		
		@Override
		public View newView(Context context, Cursor cursor, ViewGroup parent) {
			View view = super.newView(context, cursor, parent);
			ContactListItemCache cache = new ContactListItemCache();
			cache.nameView = (TextView) view.findViewById(R.id.name);
			cache.photoView = (QuickContactBadge) view.findViewById(R.id.badge);
			view.setTag(cache);
			
			return view;
		}
		
	}
	
	final static class ContactListItemCache{
		public TextView nameView;
		public QuickContactBadge photoView;
		public CharArrayBuffer nameBuffer = new CharArrayBuffer(128);
	}

}
